The upper Cenozoic White River tillites of southern Alaska: Subaerial slope and fan-delta deposits in a strike-slip setting

The White River "tillites" crop out over 8 km2 either side of the Totschunda fault in the northern foothills of the Wrangell Mountains in southern Alaska and record glacially influenced slope and fan-delta deposition in a high-relief basin close to an active volcano between 10 and 2.7 Ma. Two measured sections, 1,200 and 450 m thick, show diamictite and conglomerates interbedded with augite andesite lavas. Facies range from massive diamictites, …